Finding the Fourth Proportional to 725,987.44, 1,089,033 and 193,505.68
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Solution
The fourth proportional to 725,987.44, 1,089,033 and 193,505.68 is: 290,272.34
Step by Step Solution
- Step 1: Write the proportion equation
725,987.44 : 1,089,033 = 193,505.68 : x - Step 2: Convert to fraction form
725,987.44/1,089,033 = 193,505.68/x - Step 3: Cross multiply
725,987.44x = 1,089,033 × 193,505.68 - Step 4: Simplify right side
725,987.44x = 210,734,071,207.44 - Step 5: Solve for x
x = 210,734,071,207.44/725,987.44 - Step 6: Final answer
x = 290,272.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.